--created by Seth, coded by Lyris
--Great London Clue - Bloody Footprints
local s,id,o=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e2:SetRange(LOCATION_SZONE)
	e2:SetTargetRange(LOCATION_MZONE,0)
	e2:SetTarget(aux.TargetBoolFunction(Card.IsSetCard,0xd3f))
	c:RegisterEffect(e2)
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_SZONE)
	e3:HOPT()
	e3:SetCategory(CATEGORY_DESTROY)
	e3:SetTarget(s.destg)
	e3:SetOperation(s.desop)
	c:RegisterEffect(e3)
end
function s.destg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)>0
		and Duel.GetFieldGroupCount(tp,LOCATION_ONFIELD,LOCATION_ONFIELD)>0 end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CARDTYPE)
	Duel.SetTargetParam(Duel.AnnounceType(tp))
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetFieldGroupCount(tp,LOCATION_DECK,0)<1 then return end
	Duel.ConfirmDecktop(tp,1)
	if not Duel.GetDecktopGroup(tp,1):GetFirst():IsType(1<<Duel.GetChainInfo(0,CHAININFO_TARGET_PARAM)) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.GetFieldGroup(tp,LOCATION_ONFIELD,LOCATION_ONFIELD):Select(tp,1,1,nil)
	Duel.HintSelection(g)
	Duel.Destroy(g,REASON_EFFECT)
end